class_docstr: Implements the `.action_model` branch required above.
class_docstr_tok: ["Implements","the","`",".action_model","`","branch","required","above","."]
code: def value_function(self):
      return tf.reshape(self._value_out, [-1])
  
file_path: ray/rllib/examples/models/autoregressive_action_model.py
imports: from gymnasium.spaces import Discrete, Tuple
  from ray.rllib.models.tf.misc import normc_initializer
  from ray.rllib.models.tf.tf_modelv2 import TFModelV2
  from ray.rllib.models.torch.misc import normc_initializer
  from ray.rllib.models.torch.misc import SlimFC
  from ray.rllib.models.torch.torch_modelv2 import TorchModelV2
  from ray.rllib.utils.framework import try_import_tf, try_import_torch
label_desc: Use image node_id 3 for calling the AutoregressiveActionModel obj's underlying member method code with example usage: obj.value_function() and returns: tf